package com.imooc.miaosha.exception;

import com.imooc.miaosha.result.CodeMsg;
import com.imooc.miaosha.result.Result;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindException;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import java.util.List;

@ControllerAdvice
@ResponseBody
public class GlobalExceptionHandler {
    @ExceptionHandler(value = Exception.class)
    public Result<String> exceptionHandler(HttpServletRequest request, Exception e) {
        e.printStackTrace();
        if(e instanceof BindException) {
            BindException bindException = (BindException) e;
            List<ObjectError> allErrors = bindException.getAllErrors();

            return Result.error(CodeMsg.BIND_ERROR.fillArgs(allErrors));
        } else {
            return Result.error(CodeMsg.SERVER_ERROR);
        }

    }
}
